#42D5C8#42D5C8

#42D5C8 is a light, vivid teal. Relative luminance 0.529; OKLCH L 79.4% C 0.123 H 186.4°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#42D5C8
RGB	rgb(66, 213, 200)
HSL	hsl(175, 64%, 55%)
HSV	hsv(175, 69%, 84%)
CMYK	cmyk(69%, 0%, 6.1%, 16.5%)
CIE-LAB	lab(77.82, -41.11, -4.83)
CIE-LCH	lch(77.82, 41.39, 186.69°)
OKLab	oklab(79.37% -0.1222 -0.0137)
OKLCH	oklch(79.37% 0.123 186.4)
XYZ	xyz(36.4615, 52.9127, 62.9239)
Luminance	0.5292 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5C8 #D5424F

analogous

#42D57F #42D5C8 #4298D5

triadic

#42D5C8 #C842D5 #D5C842

tetradic

#42D5C8 #7F42D5 #D5424F #98D542

square

#42D5C8 #7F42D5 #D5424F #98D542

split-complementary

#42D5C8 #D54298 #D57F42

monochromatic

#1C8077 #28B2A6 #42D5C8 #74E0D7 #A6EBE5

Accessibility & contrast

On white

1.81

#42D5C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.58

#42D5C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5C8

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5C8	#FFFFFF	#000000	##000000
##42D5C8	1.00	1.81	11.58	11.58
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.58	21.00	1.00	1.00
##000000	11.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAC9C8

Deuteranopia (green-blind)

#B5BACA

Tritanopia (blue-blind)

#00DAD1

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42d5c8;
/* rgb */ color: rgb(66, 213, 200);
/* oklch */ color: oklch(79.4% 0.123 186.4);

Tailwind

colors: {
  custom: {
    50: '#8ae2d8',
    500: '#42d5c8',
    950: '#000000',
  },
}

SCSS

$custom: #42d5c8;
$custom-light: #8ae2d8;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5c8",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 200
  },
  "hsl": {
    "h": 174.694,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.79371,
    "c": 0.12297,
    "h": 186.4
  },
  "luminance": 0.52917
}

Semantic roles & 50–950 ramp

primary

#42D5C8

secondary

#87343B

accent

#4150E7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D5C8

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →